Integrated valve for air compressor

Abstract

The utility model relates to the technical field of pile-up valves, in particular to a pile-up valve for an air compressor, which is characterized in that a cavity is arranged in a main body, an air inlet channel and an air outlet channel which are communicated with the cavity are further arranged in the main body, a one-way valve is arranged in the cavity, and the one-way valve blocks the air inlet channel to enable the air inlet channel to be communicated with the cavity; a pressure relief channel is further arranged in the main body, the air inlet end of the pressure relief channel is communicated with the air inlet channel, and the pressure relief valve is used for blocking the air outlet end of the pressure relief channel; a pressure sensor is arranged in the cavity and is used for sensing the air pressure in the cavity and transmitting a signal to the pressure release valve; according to the integrated valve, the one-way valve, the pressure release valve, the pressure sensor and the safety valve are integrated on the integrated valve body, the structure is compact, the functions are complete, machining and assembling are easy to achieve, and the integrated valve is convenient to use and popularize. The device is suitable for air compressors with small sizes.

Description

Technical Field

[0001] This utility model relates to the field of integrated valve technology, and in particular to an integrated valve for air compressors. Background Technology

[0002] In recent years, air compressors have developed rapidly and are widely used in various industries. In order to facilitate portability and reduce space occupation, some air compressors have smaller structural dimensions. At this time, integrated valves with smaller structural dimensions are required, but the functional requirements are the same as those of conventional large-diameter integrated valves. If conventional integrated valve structures are still used, the design and processing of small-diameter integrated valves are more difficult.

[0003] To address these technical problems, an integrated valve for air compressors is proposed. Utility Model Content

[0004] To solve the above-mentioned technical problems, the purpose of this utility model is to provide an integrated valve for air compressors, which has a simple structure and is easy to process and assemble.

[0005] The technical solution adopted by this utility model to solve the problem is as follows: an integrated valve for an air compressor, comprising a main body, a cavity provided within the main body, an inlet channel and an outlet channel connected to the cavity within the main body, a one-way valve provided within the cavity, the one-way valve blocking the inlet channel, thus disconnecting the inlet channel from the cavity; a pressure relief channel provided within the main body, the inlet end of the pressure relief channel connected to the inlet channel, and a pressure relief valve provided, the pressure relief valve being used to block the outlet end of the pressure relief channel; a pressure sensor provided within the cavity, the pressure sensor being used to sense the air pressure within the cavity and transmit a signal to the pressure relief valve; and an exhaust channel provided within the main body, connecting the cavity to the outside, a safety valve provided within the exhaust channel, the safety valve being used to block the exhaust channel, thus disconnecting the cavity from the outside.

[0006] As a further improvement to the above technical solution, the one-way valve includes a first plug and a first piston. The cavity is provided with an internal thread, the first plug is provided with an external thread, the first plug is screwed into the cavity, the first piston seals the air intake passage, and a first spring is provided between the first piston and the first plug.

[0007] As a further improvement to the above technical solution, the pressure relief valve includes a solenoid valve and a second piston. The main body is provided with a first mounting chamber that is connected to the outside and the pressure relief channel. The second piston is connected to the output end of the solenoid valve and is located in the first mounting chamber. The second piston blocks the air outlet end of the pressure relief channel. A second spring is provided between the second piston and the solenoid valve.

[0008] As a further improvement to the above technical solution, a second mounting chamber communicating with the cavity is provided inside the main body, and the pressure sensor is disposed in the second mounting chamber.

[0009] As a further improvement to the above technical solution, the safety valve includes a second plug and a third piston. The exhaust channel is provided with an internal thread, the second plug is provided with an external thread, the second plug is screwed into the exhaust channel, the second plug seals the air inlet end of the exhaust channel, and a third spring is provided between the second plug and the third piston.

[0010] The beneficial effects of this utility model are: the integrated valve integrates a check valve, a pressure relief valve, a pressure sensor and a safety valve into a single valve body, which is compact in structure and full of functions, easy to process and assemble, and suitable for small-sized air compressors. Attached Figure Description

[0011] The present invention will be further explained below with reference to the accompanying drawings and specific embodiments.

[0012] Figure 1 This is a structural diagram of the present invention;

[0013] Figure 2 This is the front view of the present invention;

[0014] Figure 3 for Figure 2 A cross-sectional view of section AA;

[0015] Figure 4 This is a side view of the present invention;

[0016] Figure 5 for Figure 4 A cross-sectional view of the BB section.

[0017] In the diagram: 1-Main body, 2-Cavity, 21-Inlet channel, 22-Outlet channel, 23-Pressure relief channel, 24-Exhaust channel, 25-First mounting chamber, 26-Second mounting chamber, 3-One-way valve, 31-First plug, 32-First piston, 33-First spring, 4-Pressure relief valve, 41-Solenoid valve, 42-Second piston, 43-Second spring, 5-Pressure sensor, 6-Safety valve, 61-Second plug, 62-Third piston, 63-Third spring. Detailed Implementation

[0018] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0019] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationships based on the directional or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0020] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0021] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0022] Reference Figures 1 to 5 An integrated valve for an air compressor includes a main body 1, a cavity 2 within the main body 1, an inlet channel 21 and an outlet channel 22 connected to the cavity 2, a one-way valve 3 within the cavity 2 that blocks the inlet channel 21, thus disconnecting the inlet channel 21 from the cavity 2; a pressure relief channel 23 within the main body 1, with its inlet end connected to the inlet channel 21, and a pressure relief valve 4 for blocking the outlet end of the pressure relief channel 23; a pressure sensor 5 within the cavity 2 for sensing the air pressure within the cavity 2 and transmitting a signal to the pressure relief valve 4; and an exhaust channel 24 within the main body 1 connecting the cavity 2 to the outside, with a safety valve 6 within the exhaust channel 24 for blocking the exhaust channel 24, thus disconnecting the cavity 2 from the outside.

[0023] In use, the intake passage 21 is used to connect the air outlet of the air compressor. When the gas released by the air compressor passes through the intake passage 21, the gas can open the one-way valve 3, so that the intake passage 21 and the outlet passage 22 are connected, and the gas is discharged from the outlet passage 22.

[0024] When the internal air pressure in cavity 2 is too high, the gas can open the safety valve 6, so that the exhaust channel 24 is connected to cavity 2, and some of the gas in cavity 2 can be discharged to the outside through the exhaust channel 24, thereby reducing the air pressure in cavity 2.

[0025] When the pressure sensor 5 senses that the air pressure in the cavity 2 is too high, the pressure sensor 5 can transmit a signal to the pressure relief valve 4, causing the pressure relief valve 4 to open, so that the pressure relief channel 23 is connected to the air intake channel 21, allowing some of the gas in the air intake channel 21 to be discharged from the pressure relief channel 23, reducing the amount of gas entering the cavity 2, thereby reducing the air pressure in the cavity 2.

[0026] In a preferred embodiment, the one-way valve 3 includes a first plug 31 and a first piston 32. The cavity 2 is provided with an internal thread, the first plug 31 is provided with an external thread, the first plug 31 is screwed into the cavity 2, the first piston 32 is sealed in the air intake passage 21, and a first spring 33 is provided between the first piston 32 and the first plug 31.

[0027] When the air pressure at the intake passage 21 is greater than the elastic force of the first spring 33, it can lift the first piston 32 and compress the first spring 33, thereby connecting the intake passage 21 with the cavity 2. Then, the elastic force of the first spring 33 can reset the first piston 32, thereby blocking the intake passage 21 and preventing gas backflow.

[0028] In a preferred embodiment, the pressure relief valve 4 includes a solenoid valve 41 and a second piston 42. The main body 1 is provided with a first mounting chamber 25 that communicates with the outside and the pressure relief channel 23. The second piston 42 is connected to the output end of the solenoid valve 41 and is located in the first mounting chamber 25. The second piston 42 is blocked at the air outlet of the pressure relief channel 23. A second spring 43 is provided between the second piston 42 and the solenoid valve 41.

[0029] When the air pressure in cavity 2 is too high, pressure sensor 5 can send a signal to solenoid valve 41 to open solenoid valve 41, thereby causing second piston 42 to disengage from the outlet end of pressure relief channel 23 and compress second spring 43. Gas in inlet channel 21 can enter first mounting chamber 25 through pressure relief channel 23 and be discharged to the outside. When the air pressure in cavity 2 decreases, pressure sensor 5 can send a signal to solenoid valve 41 to close solenoid valve 41. The elastic force of second spring 43 can reset second piston 42, causing second piston 42 to block the outlet end of pressure relief channel 23.

[0030] In a preferred embodiment, a second mounting chamber 26 communicating with the cavity 2 is provided inside the main body 1, and the pressure sensor 5 is disposed inside the second mounting chamber 26.

[0031] In a preferred embodiment, the safety valve 6 includes a second plug 61 and a third piston 62. An internal thread is provided in the exhaust channel 24, and an external thread is provided on the second plug 61. The second plug 61 is screwed into the exhaust channel 24 and seals the air inlet end of the exhaust channel 24. A third spring 63 is provided between the second plug 61 and the third piston 62.

[0032] When the air pressure in cavity 2 is greater than the elastic force of the third spring 63, the gas can push the third piston 62 up and compress the third spring 63, so that cavity 2 is connected to exhaust channel 24, and the gas in cavity 2 can be discharged outward from exhaust channel 24. When the air pressure in cavity 2 decreases, the elastic force of the third spring 63 can reset the third piston 62, so that the third piston 62 blocks the air inlet end of exhaust channel 24.

[0033] The above are merely preferred embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural transformations made based on the inventive concept of this utility model and the contents of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are included within the patent protection scope of this utility model.

Claims

1. An integrated valve for air compressor, characterized in that: a main body (1) is provided with a cavity (2) therein, and an air inlet channel (21) and an air outlet channel (22) are provided in the main body (1) and communicate with the cavity (2), a one-way valve (3) is provided in the cavity (2), the one-way valve (3) blocks the air inlet channel (21) to disconnect the air inlet channel (21) and the cavity (2); a pressure relief channel (23) is further provided in the main body (1), the air inlet end of the pressure relief channel (23) communicates with the air inlet channel (21), and a pressure relief valve (4) is further provided for blocking the air outlet end of the pressure relief channel (23); a pressure sensor (5) is provided in the cavity (2), the pressure sensor (5) is used for sensing the air pressure in the cavity (2) and transmitting a signal to the pressure relief valve (4); an exhaust channel (24) is further provided in the main body (1) and communicates with the cavity (2) and the outside, and a safety valve (6) is provided in the exhaust channel (24), the safety valve (6) is used for blocking the exhaust channel (24) to disconnect the cavity (2) and the outside.

2. The integrated valve for air compressor according to claim 1, characterized in that: the one-way valve (3) comprises a first plug (31) and a first piston (32), the cavity (2) is provided with internal threads, the first plug (31) is provided with external threads, the first plug (31) is screwed to the cavity (2), the first piston (32) blocks the air inlet channel (21), and a first spring (33) is provided between the first piston (32) and the first plug (31).

3. The integrated valve for air compressor according to claim 1, characterized in that: the pressure relief valve (4) comprises a solenoid valve (41) and a second piston (42), a first mounting chamber (25) is provided in the main body (1) and communicates with the outside and the pressure relief channel (23), the second piston (42) is connected with the output end of the solenoid valve (41) and located in the first mounting chamber (25), the second piston (42) blocks the air outlet end of the pressure relief channel (23), and a second spring (43) is provided between the second piston (42) and the solenoid valve (41).

4. The integrated valve for air compressor according to claim 1, characterized in that: a second mounting chamber (26) is provided in the main body (1) and communicates with the cavity (2), and the pressure sensor (5) is provided in the second mounting chamber (26).

5. The integrated valve for air compressor according to claim 1, characterized in that: the safety valve (6) comprises a second plug (61) and a third piston (62), the exhaust channel (24) is provided with internal threads, the second plug (61) is provided with external threads, the second plug (61) is screwed to the exhaust channel (24), the second plug (61) blocks the air inlet end of the exhaust channel (24), and a third spring (63) is provided between the second plug (61) and the third piston (62). ​ ​ ​ ​ ​

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